Finding the Fourth Proportional to 10,305,178.44, 15,457,754.70 and 3,913,902.60
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Solution
The fourth proportional to 10,305,178.44, 15,457,754.70 and 3,913,902.60 is: 5,870,848.98
Step by Step Solution
- Step 1: Write the proportion equation
10,305,178.44 : 15,457,754.70 = 3,913,902.60 : x - Step 2: Convert to fraction form
10,305,178.44/15,457,754.70 = 3,913,902.60/x - Step 3: Cross multiply
10,305,178.44x = 15,457,754.70 × 3,913,902.60 - Step 4: Simplify right side
10,305,178.44x = 60,500,146,310,492.22 - Step 5: Solve for x
x = 60,500,146,310,492.22/10,305,178.44 - Step 6: Final answer
x = 5,870,848.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.